公开(公告)号：US08877418B2

公开(公告)日：2014-11-04

申请号：US13185941

申请日：2011-07-19

申请人： Hisashi Nakajima ,  Kimitoshi Yamaguchi ,  Shigenori Yaguchi ,  Hitoshi Iwatsuki ,  Toyoaki Tano ,  Mariko Takii ,  Minoru Masuda ,  Koichi Sakata ,  Saori Yamada ,  Hiroyuki Kishida

发明人： Hisashi Nakajima ,  Kimitoshi Yamaguchi ,  Shigenori Yaguchi ,  Hitoshi Iwatsuki ,  Toyoaki Tano ,  Mariko Takii ,  Minoru Masuda ,  Koichi Sakata ,  Saori Yamada ,  Hiroyuki Kishida

IPC分类号： G03G15/06 ,  G03G9/113 ,  G03G9/107

CPC分类号： G03G9/1075 ,  G03G9/107 ,  G03G9/1136 ,  G03G9/1137

摘要： The developing method includes developing an electrostatic latent image on an image bearing member with a two-component developer including a toner and a carrier and born on at least one developer bearing member, whose surface moves at a linear speed of from 300 mm/sec to 2,000 mm/sec. The carrier includes a particulate core material; and a cover layer located on a surface of the core material and including a crosslinked material obtained by crosslinking a resin including a first unit having a specific tris(trialkylsiloxy) silyl group and a second unit having a specific alkoxysilyl group having a crosslinking ability. Each of the first unit and the second unit is included in the resin in a molar ratio of from 0.1 to 0.9 based on all the units included in the resin.

摘要翻译： 显影方法包括使用包含调色剂和载体的双组分显影剂在图像承载部件上显影静电潜像，并且在至少一个显影剂承载部件上出现，所述显影剂承载部件的表面以300mm /秒的线速度移动到 2,000毫米/秒。 载体包括颗粒芯材料; 以及位于所述芯材的表面上的覆盖层，并且包括通过使包含具有特定的三（三烷基甲硅烷氧基）甲硅烷基的第一单元和具有交联能力的特定烷氧基甲硅烷基的第二单元的树脂交联而获得的交联材料。 基于树脂中包含的所有单元，第一单元和第二单元中的每一个以包含在树脂中的摩尔比为0.1至0.9。

公开(公告)号：US20120028183A1

公开(公告)日：2012-02-02

申请号：US13185941

申请日：2011-07-19

申请人： Hisashi NAKAJIMA ,  Kimitoshi Yamaguchi ,  Shigenori Yaguchi ,  Hitoshi Iwatsuki ,  Toyoaki Tano ,  Mariko Takii ,  Minoru Masuda ,  Koichi Sakata ,  Saori Yamada ,  Hiroyuki Kishida

发明人： Hisashi NAKAJIMA ,  Kimitoshi Yamaguchi ,  Shigenori Yaguchi ,  Hitoshi Iwatsuki ,  Toyoaki Tano ,  Mariko Takii ,  Minoru Masuda ,  Koichi Sakata ,  Saori Yamada ,  Hiroyuki Kishida

IPC分类号： G03G13/20 ,  G03G13/16 ,  G03G13/08

CPC分类号： G03G9/1075 ,  G03G9/107 ,  G03G9/1136 ,  G03G9/1137

摘要： The developing method includes developing an electrostatic latent image on an image bearing member with a two-component developer including a toner and a carrier and born on at least one developer bearing member, whose surface moves at a linear speed of from 300 mm/sec to 2,000 mm/sec. The carrier includes a particulate core material; and a cover layer located on a surface of the core material and including a crosslinked material obtained by crosslinking a resin including a first unit having a specific tris(trialkylsiloxy) silyl group and a second unit having a specific alkoxysilyl group having a crosslinking ability. Each of the first unit and the second unit is included in the resin in a molar ratio of from 0.1 to 0.9 based on all the units included in the resin.

摘要翻译： 显影方法包括使用包含调色剂和载体的双组分显影剂在图像承载部件上显影静电潜像，并且在至少一个显影剂承载部件上出现，该显影剂承载部件的表面以300mm /秒的线速度移动到 2,000毫米/秒。 载体包括颗粒芯材料; 以及位于所述芯材的表面上的覆盖层，并且包括通过使包含具有特定的三（三烷基甲硅烷氧基）甲硅烷基的第一单元和具有交联能力的特定烷氧基甲硅烷基的第二单元的树脂交联而获得的交联材料。 基于树脂中包含的所有单元，第一单元和第二单元中的每一个以包含在树脂中的摩尔比为0.1至0.9。

公开(公告)号：US08652738B2

公开(公告)日：2014-02-18

申请号：US13181702

申请日：2011-07-13

申请人： Kimitoshi Yamaguchi ,  Shigenori Yaguchi ,  Hitoshi Iwatsuki ,  Mariko Takii ,  Toyoshi Sawada ,  Toyoaki Tano ,  Hiroshi Tohmatsu ,  Koichi Sakata ,  Hiroyuki Kishida ,  Saori Yamada

发明人： Kimitoshi Yamaguchi ,  Shigenori Yaguchi ,  Hitoshi Iwatsuki ,  Mariko Takii ,  Toyoshi Sawada ,  Toyoaki Tano ,  Hiroshi Tohmatsu ,  Koichi Sakata ,  Hiroyuki Kishida ,  Saori Yamada

IPC分类号： G03G13/08 ,  G03G9/00

CPC分类号： G03G9/1139 ,  G03G9/107 ,  G03G9/1136 ,  G03G2215/0609

摘要： A contact developing method including supplying a two-component developer to an electrostatic latent image on a rotating image bearing member by rotating a developing sleeve and a rotatable magnet having multiple magnetic poles provided inside the developing sleeve, to develop the electrostatic latent image into a toner image. The developing sleeve and the image bearing member rotate in the same direction while facing each other. The two-component developer comprises a non-magnetic toner and a carrier. The carrier comprises a magnetic core particle and a resin layer covering the magnetic core particle. The resin layer comprises a conductive particle and a resin. The conductive particle comprises an alumina-based material and a conductive layer covering the alumina-based material. The resin is obtained by heating a copolymer comprising a monomer A unit and a monomer B unit.

摘要翻译： 一种接触显影方法，包括通过旋转显影套筒和旋转图像承载部件上的静电潜像向设置在显影套筒内部的具有多个磁极的可旋转磁体提供双组分显影剂，以将静电潜像显影成调色剂 图片。 显影套筒和图像承载部件在相互面对的同时旋转。 双组分显影剂包括非磁性调色剂和载体。 载体包括磁芯颗粒和覆盖磁芯颗粒的树脂层。 树脂层包括导电颗粒和树脂。 导电粒子包括氧化铝基材料和覆盖氧化铝基材料的导电层。 树脂通过加热包含单体A单元和单体B单元的共聚物而获得。

公开(公告)号：US20120058423A1

公开(公告)日：2012-03-08

申请号：US13181702

申请日：2011-07-13

申请人： Kimitoshi Yamaguchi ,  Shigenori Yaguchi ,  Hitoshi Iwatsuki ,  Mariko Takii ,  Toyoshi Sawada ,  Toyoaki Tano ,  Hiroshi Tohmatsu ,  Koichi Sakata ,  Hiroyuki Kishida ,  Saori Yamada

发明人： Kimitoshi Yamaguchi ,  Shigenori Yaguchi ,  Hitoshi Iwatsuki ,  Mariko Takii ,  Toyoshi Sawada ,  Toyoaki Tano ,  Hiroshi Tohmatsu ,  Koichi Sakata ,  Hiroyuki Kishida ,  Saori Yamada

IPC分类号： G03G9/00 ,  G03G15/09

CPC分类号： G03G9/1139 ,  G03G9/107 ,  G03G9/1136 ,  G03G2215/0609

摘要： A contact developing method including supplying a two-component developer to an electrostatic latent image on a rotating image bearing member by rotating a developing sleeve and a rotatable magnet having multiple magnetic poles provided inside the developing sleeve, to develop the electrostatic latent image into a toner image. The developing sleeve and the image bearing member rotate in the same direction while facing each other. The two-component developer comprises a non-magnetic toner and a carrier. The carrier comprises a magnetic core particle and a resin layer covering the magnetic core particle. The resin layer comprises a conductive particle and a resin. The conductive particle comprises an alumina-based material and a conductive layer covering the alumina-based material. The resin is obtained by heating a copolymer comprising a monomer A unit and a monomer B unit.

摘要翻译： 一种接触显影方法，包括通过旋转显影套筒和旋转图像承载部件上的静电潜像向设置在显影套筒内部的具有多个磁极的可旋转磁体提供双组分显影剂，以将静电潜像显影成调色剂 图片。 显影套筒和图像承载部件在相互面对的同时旋转。 双组分显影剂包括非磁性调色剂和载体。 载体包括磁芯颗粒和覆盖磁芯颗粒的树脂层。 树脂层包括导电颗粒和树脂。 导电粒子包括氧化铝基材料和覆盖氧化铝基材料的导电层。 树脂通过加热包含单体A单元和单体B单元的共聚物而获得。

公开(公告)号：US08518626B2

公开(公告)日：2013-08-27

申请号：US13037569

申请日：2011-03-01

申请人： Saori Yamada ,  Minoru Masuda ,  Hisashi Nakajima ,  Kimitoshi Yamaguchi ,  Koichi Sakata ,  Hitoshi Iwatsuki ,  Yutaka Takahashi ,  Toyoaki Tano ,  Mariko Takii

发明人： Saori Yamada ,  Minoru Masuda ,  Hisashi Nakajima ,  Kimitoshi Yamaguchi ,  Koichi Sakata ,  Hitoshi Iwatsuki ,  Yutaka Takahashi ,  Toyoaki Tano ,  Mariko Takii

IPC分类号： G03G9/00

CPC分类号： G03G9/113 ,  G03G9/1075 ,  G03G9/1131 ,  G03G9/1133 ,  G03G9/1137

摘要： The carrier is used for a two-component developer for developing an electrostatic latent image, and includes a particulate magnetic core material; and a cover layer located on a surface of the particulate magnetic core material and including a crosslinked material. The crosslinked material is formed by hydrolyzing a copolymer including at least a unit (A) having a specific acrylic siloxane structure including a tris(trialkylsiloxy)silanyl group and a unit (B) having a specific acrylic silicone structure to form a material having a silanol group, and subjecting the material having a silanol group to a condensation reaction using an organic zirconium-containing catalyst.

摘要翻译： 载体用于显影静电潜像的双组分显影剂，并且包括颗粒状磁芯材料; 以及位于所述颗粒状磁芯材料的表面上并且包含交联材料的覆盖层。 交联材料通过水解包含至少具有包含三（三烷基甲硅烷氧基）硅烷基的特定丙烯酸硅氧烷结构的单元（A）和具有特定丙烯酸硅氧烷结构的单元（B））的共聚物形成，以形成具有硅烷醇的材料 并使用含有有机锆的催化剂对具有硅烷醇基的材料进行缩合反应。

公开(公告)号：US20110091802A1

公开(公告)日：2011-04-21

申请号：US12897326

申请日：2010-10-04

申请人： Yutaka TAKAHASHI ,  Minoru Masuda ,  Kimitoshi Yamaguchi ,  Hisashi Nakajima ,  Koichi Sakata ,  Hitoshi Iwatsuki ,  Saori Yamada ,  Toyoaki Tano ,  Mariko Takii

发明人： Yutaka TAKAHASHI ,  Minoru Masuda ,  Kimitoshi Yamaguchi ,  Hisashi Nakajima ,  Koichi Sakata ,  Hitoshi Iwatsuki ,  Saori Yamada ,  Toyoaki Tano ,  Mariko Takii

IPC分类号： G03G9/10 ,  G03G13/20 ,  G03G21/18

CPC分类号： G03G15/08 ,  G03G9/1075 ,  G03G9/1133 ,  G03G9/1137 ,  G03G9/1139 ,  G03G2215/0602 ,  G03G2215/0607

摘要： The carrier is used for a two-component developer for developing an electrostatic latent image, and includes a particulate magnetic core material; and a cover layer located on a surface of the core material and including a crosslinked material and barium sulfate. The cover layer is formed by applying a coating medium including barium sulfate, a copolymer including a unit (A) having a specific acrylic siloxane structure including a tris(trialkylsiloxy)silanyl group and a unit (B) having a specific acrylic silicone structure having a crosslinking ability, and a condensation reaction catalyst, heating the applied medium to a temperature of from 100° C. to 230° C. so that the copolymer is hydrolyzed to produce a material having a silanol group, and the material and the catalyst are subjected to a condensation reaction to form the crosslinked material.

摘要翻译： 载体用于显影静电潜像的双组分显影剂，并且包括颗粒状磁芯材料; 以及位于所述芯材的表面上并且包含交联材料和硫酸钡的覆盖层。 覆盖层通过涂布包括硫酸钡的涂层介质，包括具有包含三（三烷基甲硅烷氧基）硅烷基的特定丙烯酸硅氧烷结构的单元（A）和具有特定的丙烯酸硅氧烷结构的单元（B））的共聚物形成，所述单元（B）具有 交联能力和缩合反应催化剂，将所施加的介质加热至100℃至230℃的温度，使得共聚物水解以产生具有硅烷醇基团的材料，并且对材料和催化剂进行 进行缩合反应以形成交联材料。

公开(公告)号：US08475989B2

公开(公告)日：2013-07-02

申请号：US12897326

申请日：2010-10-04

申请人： Yutaka Takahashi ,  Minoru Masuda ,  Kimitoshi Yamaguchi ,  Hisashi Nakajima ,  Koichi Sakata ,  Hitoshi Iwatsuki ,  Saori Yamada ,  Toyoaki Tano ,  Mariko Takii

发明人： Yutaka Takahashi ,  Minoru Masuda ,  Kimitoshi Yamaguchi ,  Hisashi Nakajima ,  Koichi Sakata ,  Hitoshi Iwatsuki ,  Saori Yamada ,  Toyoaki Tano ,  Mariko Takii

IPC分类号： G03G9/00

CPC分类号： G03G15/08 ,  G03G9/1075 ,  G03G9/1133 ,  G03G9/1137 ,  G03G9/1139 ,  G03G2215/0602 ,  G03G2215/0607

摘要： The carrier is used for a two-component developer for developing an electrostatic latent image, and includes a particulate magnetic core material; and a cover layer located on a surface of the core material and including a crosslinked material and barium sulfate. The cover layer is formed by applying a coating medium including barium sulfate, a copolymer including a unit (A) having a specific acrylic siloxane structure including a tris(trialkylsiloxy)silanyl group and a unit (B) having a specific acrylic silicone structure having a crosslinking ability, and a condensation reaction catalyst, heating the applied medium to a temperature of from 100° C. to 230° C. so that the copolymer is hydrolyzed to produce a material having a silanol group, and the material and the catalyst are subjected to a condensation reaction to form the crosslinked material.

摘要翻译： 载体用于显影静电潜像的双组分显影剂，并且包括颗粒状磁芯材料; 以及位于所述芯材的表面上并且包含交联材料和硫酸钡的覆盖层。 覆盖层通过涂布包括硫酸钡的涂层介质，包括具有包含三（三烷基甲硅烷氧基）硅烷基的特定丙烯酸硅氧烷结构的单元（A）和具有特定的丙烯酸硅氧烷结构的单元（B））的共聚物形成，所述单元（B）具有 交联能力和缩合反应催化剂，将所施加的介质加热至100℃至230℃的温度，使得共聚物水解以产生具有硅烷醇基团的材料，并且对材料和催化剂进行 进行缩合反应以形成交联材料。

公开(公告)号：US20110171573A1

公开(公告)日：2011-07-14

申请号：US12978920

申请日：2010-12-27

申请人： Koichi SAKATA ,  Minoru Masuda ,  Hisashi Nakajima ,  Kimitoshi Yamaguchi ,  Yutaka Takahashi ,  Hitoshi Iwatsuki ,  Saori Yamada ,  Toyoaki Tano

发明人： Koichi SAKATA ,  Minoru Masuda ,  Hisashi Nakajima ,  Kimitoshi Yamaguchi ,  Yutaka Takahashi ,  Hitoshi Iwatsuki ,  Saori Yamada ,  Toyoaki Tano

IPC分类号： G03G21/16 ,  G03G9/113 ,  G03G13/20 ,  G03G15/09

CPC分类号： G03G9/1139 ,  G03G9/10 ,  G03G9/1136 ,  G03G13/06 ,  G03G13/08

摘要： A carrier for use in a two component developer for developing an electrostatic latent image is provided. The carrier includes a particulate core material; and a cover layer located on a surface of the core material and including a silicone resin and barium sulfate. The cover layer includes Ba and Si at an atomic ratio of from 0.01 to 0.08 as determined by X-ray photoelectron spectroscopy.

摘要翻译： 提供了用于显影静电潜像的双组分显影剂中的载体。 载体包括颗粒芯材料; 以及覆盖层，其位于所述芯材的表面上，并且包括硅树脂和硫酸钡。 覆盖层包括通过X射线光电子能谱测定的原子比为0.01至0.08的Ba和Si。

公开(公告)号：US09029061B2

公开(公告)日：2015-05-12

申请号：US12978920

申请日：2010-12-27

申请人： Koichi Sakata ,  Minoru Masuda ,  Hisashi Nakajima ,  Kimitoshi Yamaguchi ,  Yutaka Takahashi ,  Hitoshi Iwatsuki ,  Saori Yamada ,  Toyoaki Tano

发明人： Koichi Sakata ,  Minoru Masuda ,  Hisashi Nakajima ,  Kimitoshi Yamaguchi ,  Yutaka Takahashi ,  Hitoshi Iwatsuki ,  Saori Yamada ,  Toyoaki Tano

IPC分类号： G03G9/00 ,  G03G9/113 ,  G03G9/10 ,  G03G13/06 ,  G03G13/08

CPC分类号： G03G9/1139 ,  G03G9/10 ,  G03G9/1136 ,  G03G13/06 ,  G03G13/08

摘要： A carrier for use in a two component developer for developing an electrostatic latent image is provided. The carrier includes a particulate core material; and a cover layer located on a surface of the core material and including a silicone resin and barium sulfate. The cover layer includes Ba and Si at an atomic ratio of from 0.01 to 0.08 as determined by X-ray photoelectron spectroscopy.

摘要翻译： 提供了用于显影静电潜像的双组分显影剂中的载体。 载体包括颗粒芯材料; 以及覆盖层，其位于所述芯材的表面上，并且包括硅树脂和硫酸钡。 覆盖层包括通过X射线光电子能谱测定的原子比为0.01至0.08的Ba和Si。

公开(公告)号：US08481239B2

公开(公告)日：2013-07-09

申请号：US12896276

申请日：2010-10-01

申请人： Hisashi Nakajima ,  Kimitoshi Yamaguchi ,  Minoru Masuda ,  Yutaka Takahashi ,  Koichi Sakata ,  Hitoshi Iwatsuki ,  Saori Yamada ,  Toyoaki Tano

发明人： Hisashi Nakajima ,  Kimitoshi Yamaguchi ,  Minoru Masuda ,  Yutaka Takahashi ,  Koichi Sakata ,  Hitoshi Iwatsuki ,  Saori Yamada ,  Toyoaki Tano

IPC分类号： G03G9/00

CPC分类号： G03G15/08 ,  G03G9/10 ,  G03G9/107 ,  G03G9/1075 ,  G03G9/113 ,  G03G9/1133 ,  G03G9/1136 ,  G03G9/1137 ,  G03G2215/0602

摘要： A carrier, including a magnetic particulate core material and a resin layer on the core material, wherein the resin layer includes a resin obtained by heat treatment of a copolymer including a site derived from a monomer component having the following formula (1) and a site derived from a monomer component having the following formula (2), and includes a cross-linked material obtained by hydrolysis of the copolymer to produce a silanol group and condensation using an organotitanium compound: wherein R1 represents a hydrogen atom or a methyl group; m represents an alkylene group having 1 to 8 carbon atoms; R2 represents an alkyl group having 1 to 4 carbon atoms; R3 represents an alkyl group having 1 to 8 carbon atoms, or an alkoxy group having 1 to 4 carbon atoms; X represents 10 to 90 mol %; and Y represents 10 to 90 mol %.

摘要翻译： 一种载体，其包括磁性颗粒芯材料和芯材上的树脂层，其中树脂层包括通过热处理包含具有下式（1）的单体组分的位点的共聚物和通过 衍生自具有下式（2）的单体组分，并且包括通过使共聚物水解制备硅烷醇基团并使用有机钛化合物缩合获得的交联材料：其中R1表示氢原子或甲基; m表示碳原子数1〜8的亚烷基。 R2表示碳原子数1〜4的烷基， R3表示碳原子数1〜8的烷基或碳原子数1〜4的烷氧基。 X表示10〜90摩尔％。 Y表示10〜90摩尔％。